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Finding the Fourth Proportional to 48,890.88, 73,336.64 and 11,954.88

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Solution

The fourth proportional to 48,890.88, 73,336.64 and 11,954.88 is: 17,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,890.88 : 73,336.64 = 11,954.88 : x
  2. Step 2: Convert to fraction form
    48,890.88/73,336.64 = 11,954.88/x
  3. Step 3: Cross multiply
    48,890.88x = 73,336.64 × 11,954.88
  4. Step 4: Simplify right side
    48,890.88x = 876,730,730.80
  5. Step 5: Solve for x
    x = 876,730,730.80/48,890.88
  6. Step 6: Final answer
    x = 17,932.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.